CN102477716A - Application of trestle type beam slab bridge in inland river with beaches at both sides - Google Patents
Application of trestle type beam slab bridge in inland river with beaches at both sides Download PDFInfo
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- CN102477716A CN102477716A CN2010105545459A CN201010554545A CN102477716A CN 102477716 A CN102477716 A CN 102477716A CN 2010105545459 A CN2010105545459 A CN 2010105545459A CN 201010554545 A CN201010554545 A CN 201010554545A CN 102477716 A CN102477716 A CN 102477716A
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Abstract
The invention relates to bridge construction, in particular to an application of a trestle type bridge. An application of a trestle type beam slab bridge in an inland river with beaches at the both sides comprises the following step of carrying out piled beam installation, bridge floor construction and piling operation in the water flow. The invention has the beneficial effect that when a trestle method is used for carrying out bridge construction on the inland river with the beaches at the both sides, the requirements on vegetation and fish protection can be satisfied.
Description
Technical field
The present invention relates to a kind of bridge construction, relate in particular to a kind of application of trestle type bridge.
Background technology
At present, the common employing of bridge construction is such as cable stayed bridge, suspension bridge, beam bridge, forms such as arch bridge.In the urban construction, cable stayed bridge and suspension bridge are used wider in recent years in urban construction.For field construction, often running into the two sides, river is beach, on landlocked river, build bridge and receive a lot of restrictions, and like, the river that the has boats and ships that need pass through, the water supply that will guarantee the downstream vegetation that has, what have will guarantee that the moving about of fish in the river disturbed as far as possible.Therefore, many forms just can't be used, and the beam slab bridge is a good selection in this case, but in work progress, still need consider all restrictions.
Summary of the invention
The present invention is intended to address the above problem, and the application of a kind of trestle type beam slab bridge in landlocked river is provided.The present invention utilizes the trestle method that bridge construction is carried out for the continental river of beach stream in two sides, can satisfy the requirement to vegetation, fish protection.
The present invention is achieved in that a kind of trestle type beam slab bridge is the application in the landlocked river of beach in two sides, and it comprises:
Piling work begins to carry out piling work from the side in river, after preceding four campshed bases construction finishes, interim construction steel platform is installed above completed pile foundation, on interim construction steel platform, is carrying out follow-up piling work; Piling work moves along with platform circulates forward carries out, and all accomplishes until arriving the river opposite side; Remove interim construction steel platform; With
The stake beam is installed and the bridge floor construction; After piling work equipment advances a station, crawler crane is stood in steel-structure box girder and the precast concrete beam that lifts the 1-5 campshed on the interim construction steel platform, carry out the reinforcing bar binding and the pouring concrete construction of cast-in-place bridge floor then; After the cast-in-place bridge deck concrete of waiting for 1-5 row reached 70% compressive strength and maintenance and reaches 10 days, another crawler crane was opened bridge floor, carries out the steel-structure box girder of follow-up pile foundation top and the lifting of precast concrete beam, carries out cast-in-place bridge floor then and constructs; Circulation is carried out above-mentioned construction up to the opposite bank, river.
Compare with the bridge construction of routine, beneficial effect of the present invention is following:
1) trestle type beam slab bridge need not carry out steel sheet pile cofferdam construction, does not need desilting to change and fills out, and need not handle and transport outward acid ground;
2) do not influence the mistake water yield and the surrounding environment in river, need not wait for examining of government;
3) steel pipe pile can be directly in market purchasing, and steel work box beam and prefabricated concrete beam can be installed to on-the-spot in the produce in factory transported batchwise, than on-the-spot Cast-in-place concrete basis cost saving and duration;
4) do not need water surface pile driving equipment, can adopt common pile driver to begin progressively to advance piling construction, up to the other end end of bridge from an end of bridge.
5) directly utilize the support of the steel pipe pile of bridge as pile driver odd-job platform, the pile driver erect-position advances on the piling limit in odd-job platform top.The odd-job platform is detachable; Directly utilize the platform of the crane of pile driver with the back, lift the front, pile driver readvances on the new working platform; Have bad luck the platform of back again; Camping step by step, can effectively reduce the quantity of odd-job platform, is that follow-up steel work box beam and the installation of prefabricated concrete beam creates conditions simultaneously.
6) the steel work box beam on steel pipe pile top and prefabricated concrete beam are installed and to be followed piling work and advance, and prefabricated concrete beam is laid and accomplished one section, the concrete surface layer of promptly cast-in-place one section bridge.Whole bridge construction forms continuous productive process, and procedure connection is compact.
In sum, the present invention is under this certain conditions, and perfection has solved the problem that is faced, and cost is lower.
The specific embodiment
The present invention is a kind of trestle type beam slab bridge in two sides is the application in the landlocked river of beach.
Described a kind of trestle type beam slab bridge is the application in the landlocked river of beach in two sides, and it comprises:
Piling work begins to carry out piling work from the side in river, after preceding four campshed bases construction finishes, interim construction steel platform is installed above completed pile foundation, on interim construction steel platform, is carrying out follow-up piling work; Piling work moves along with platform circulates forward carries out, and all accomplishes until arriving the river opposite side; Remove interim construction steel platform; With
The stake beam is installed and the bridge floor construction; After piling work equipment advances a station, crawler crane is stood in steel-structure box girder and the precast concrete beam that lifts the 1-5 campshed on the interim construction steel platform, carry out the reinforcing bar binding and the pouring concrete construction of cast-in-place bridge floor then; After the cast-in-place bridge deck concrete of waiting for 1-5 row reached 70% compressive strength and maintenance and reaches 10 days, another crawler crane was opened bridge floor, carries out the steel-structure box girder of follow-up pile foundation top and the lifting of precast concrete beam, carries out cast-in-place bridge floor then and constructs; Circulation is carried out above-mentioned construction up to the opposite bank, river.
As one embodiment of the present of invention; Produce 2400 ten thousand tons of iron ore concentrates per year, produce the north and south road that comprises a newly-built about 30km from the ore dressing plant to the finished product wharf in the iron ore project of 6,000,000 tons of pelletizings per year for the applicant undertakes the construction of one in the mining area of western Australia Cape Preston; This road need pass through the long low-lying mud matter shoal area of one section 2km; There is a 25m wide at the beach center, the main stem of mean depth 3m.
Because Causeway first phase design road absolute altitude is+4.5m that design beam bridge absolute altitude is+6.9m that design stake top mark height is+5.763m.The Causeway that pile driver at first stands in main stem south bank goes up the intact preceding 4 row's steel pipe piles of injection, and the platform of will temporarily driving piles then is installed on the steel pipe pile of the completion of injection.This moment, platform exceeded about 1.5m than Causeway road surface, and how pile driver is gone up on the interim piling platform is another difficult problem that construction runs into.
Initial imagination is to adopt large-scale crane that the 150t crawler crane is hung onto on the piling platform; After through Causeway bearing capacity force analysis; Because bank is the end of southern side Causeway in main stem south; Excessively bear point load or cause Causeway side slope unstability, slippage, existing problems on the safety.Through multivariant comparison, the scheme of economical rationality is for laying the last bridge ramp of 5% gradient the most, and pile driver directly reaches on the interim piling platform from the ramp.
The base area survey company in Causeway structure backfill layer and the up process of crane to the mechanical model analysis of pile foundation level thrust; The appropriate design of last bridge ramp is: going up bridge ramp width is 10m; The inclination angle in last bridge ramp is 5%; Top, ramp to bridge edge is the long gravel backfill platform of 10m, and absolute altitude is consistent with bridge end face absolute altitude.
The installation of interim piling construction steel platform and mobile
Trestle type beam slab bridge main body has 25 row's (139) bearing piles, and the thrust stake of 10 opposing horizontal movements is respectively arranged in section both sides, bridge north and south.Except that the piling work of 1-4 row, the 25th campshed and thrust stake is carrying out on the dykes and dams, the piling work that remains 5-24 row bearing pile is all being carried out on interim construction steel platform.
After the construction of 1-4 row bearing pile is accomplished, begin to install interim construction steel platform.Cut a steel pipe pile top that finishes at middle 3 the support of stake plug as platform is installed, the interim crossbeam of 1 12m length is all installed in the stake on every interline 3 pile bases beyond the Great Wall.Stake portion's top board beyond the Great Wall uses fastening bolt to be connected with the bottom flange of crossbeam, and the bottom gets into steel pipe pile inside to avoid destroying the pile foundation coating surfaces.Can resist bigger transverse horizontal load like this.
Above the crossbeam left side, the steel console module is installed then; Each module is the platform of the 4.9mX6.6m that forms of the wide vertical girder steel of 2 1220mm, stull, diagonal braces; Be used for 150t crane walking lifting operation, the upper berth grid is used for personnel's walking and deposits mini-plant simultaneously.Make 6 modules altogether and be used for the turnover use.Similar steel platform can be installed in top, the right side of crossbeam simultaneously, so that current and interim material stored.
The long nose girder (spacing 6.3m) of 2 12m is installed in the bottom of crossbeam is used for tube connector pile positioning framework so that carry out the pile foundation construction of follow-up centre 3 row.Nose girder uses carriage to be fixed on the crossbeam bottom, and carriage uses bolt to be connected with crossbeam, can use instrument such as jack to move forward, and then the installation bracket support.
Above crossbeam foremost, install simultaneously 21.5m long laterally have a crossbeam that extends cantilever, both sides cantilever tube connector pile positioning framework is so that carry out the pile foundation construction that both sides outermost one is listed as.
Through stake plug, crossbeam, steel console module, nose girder, pile tube positioning framework being installed and being interconnected, form the complete interim construction steel platform of a cover, 150t crawler crane suspension IHC S-150 hydraulic pile hammer erect-position carries out piling work on the temporary steel platform.
The pile foundation construction of every completion one interline 3 row, the distance of then nose girder reach one being striden is carried out the pile foundation construction of next line center 3 row, also carries out the pile foundation construction of these row both sides simultaneously.Then stake plug, crossbeam and the turnover of steel console module are mounted on delegation's pile foundation of new completion, pile foundation construction is carried out in circulation.
Sequence of construction is following:
On the section of Causeway dykes and dams south, accomplish 1-4 row steel pipe pile construction and cut stake.
On 2-4 row steel pipe pile, stake plug, crossbeam, nose girder, steel console module and pile tube positioning framework are installed, are accomplished the assembling of interim construction steel platform.
Use crane to lift by crane the 5th row 2-4 row steel pipe pile, after use nose girder, pile tube positioning framework positioned, the hydraulic pile hammer IHC S-150 that slings carried out piling work.
At the 5th row 2-4 row pile foundation top the stake plug is installed, new crossbeam is installed then.
Instruments such as use jack move forward to the 6th row 2-4 row pile foundation position with nose girder and pile tube positioning framework, and the carriage of removing on the follow-up crossbeam is mounted to the 5th horizontal row beam bottom, holds nose girder.
Then follow-up steel console module lifting is installed to 4-5 horizontal row beam, carry out the 6th row 2-4 row pile foundation construction.
Install and extend cantilever beams tube connector pile positioning framework on the 5th horizontal row beam, carry out the construction of the 5th row 1,5 row steel pipe piles.
Follow-up pile foundation construction is carried out in circulation, after arriving Causeway dykes and dams the north, removes whole interim construction steel platform.
Claims (2)
1. a trestle type beam slab bridge is the application in the landlocked river of beach in two sides.
2. a kind of trestle type beam slab bridge according to claim 1 is the application in the landlocked river of beach in two sides, it is characterized in that it comprises:
Piling work begins to carry out piling work from the side in river, after preceding four campshed bases construction finishes, interim construction steel platform is installed above completed pile foundation, on interim construction steel platform, is carrying out follow-up piling work; Piling work moves along with platform circulates forward carries out, and all accomplishes until arriving the river opposite side; Remove interim construction steel platform; With
The stake beam is installed and the bridge floor construction; After piling work equipment advances a station, crawler crane is stood in steel-structure box girder and the precast concrete beam that lifts the 1-5 campshed on the interim construction steel platform, carry out the reinforcing bar binding and the pouring concrete construction of cast-in-place bridge floor then; After the cast-in-place bridge deck concrete of waiting for 1-5 row reached 70% compressive strength and maintenance and reaches 10 days, another crawler crane was opened bridge floor, carries out the steel-structure box girder of follow-up pile foundation top and the lifting of precast concrete beam, carries out cast-in-place bridge floor then and constructs; Circulation is carried out above-mentioned construction up to the opposite bank, river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105545459A CN102477716A (en) | 2010-11-23 | 2010-11-23 | Application of trestle type beam slab bridge in inland river with beaches at both sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105545459A CN102477716A (en) | 2010-11-23 | 2010-11-23 | Application of trestle type beam slab bridge in inland river with beaches at both sides |
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| CN102477716A true CN102477716A (en) | 2012-05-30 |
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| CN2010105545459A Pending CN102477716A (en) | 2010-11-23 | 2010-11-23 | Application of trestle type beam slab bridge in inland river with beaches at both sides |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264586A (en) * | 2014-09-05 | 2015-01-07 | 中国建筑第六工程局有限公司 | Water draining method for narrow estuary U-shaped bay bridge construction |
| CN104947697A (en) * | 2015-06-25 | 2015-09-30 | 中国水利水电第十二工程局有限公司 | Construction method for rapidly enclosing weir by utilizing Larsen steel sheet piles |
| CN105887701A (en) * | 2016-04-18 | 2016-08-24 | 武汉二航路桥特种工程有限责任公司 | Suspension bridge superstructure demolition and replacement installation method |
| CN112376420A (en) * | 2020-09-29 | 2021-02-19 | 福州市规划设计研究院 | Construction method for paving sidewalk on lake |
| CN113202058A (en) * | 2021-05-17 | 2021-08-03 | 中国人民解放军陆军工程大学 | Quick levee breach plugging device that landing stage and steel sheet pile combined together |
Citations (4)
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| JPH05287709A (en) * | 1992-04-14 | 1993-11-02 | Taisei Corp | Foundation work of bridge and method of construction of pier and movable elevated bench |
| JP2001214410A (en) * | 2000-01-31 | 2001-08-07 | Shimizu Corp | Construction method for artificial ground |
| JP2008115628A (en) * | 2006-11-06 | 2008-05-22 | Ohbayashi Corp | Construction method for elevated structure |
| CN101538845A (en) * | 2009-04-21 | 2009-09-23 | 江苏东电新能源科技工程有限公司 | Construction method for building a large-scale offshore wind farm with depth less than 2 m |
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2010
- 2010-11-23 CN CN2010105545459A patent/CN102477716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05287709A (en) * | 1992-04-14 | 1993-11-02 | Taisei Corp | Foundation work of bridge and method of construction of pier and movable elevated bench |
| JP2001214410A (en) * | 2000-01-31 | 2001-08-07 | Shimizu Corp | Construction method for artificial ground |
| JP2008115628A (en) * | 2006-11-06 | 2008-05-22 | Ohbayashi Corp | Construction method for elevated structure |
| CN101538845A (en) * | 2009-04-21 | 2009-09-23 | 江苏东电新能源科技工程有限公司 | Construction method for building a large-scale offshore wind farm with depth less than 2 m |
Non-Patent Citations (1)
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| 吴晓勇: "丙洲大桥临时钢栈桥的设计与施工", 《市政与路桥》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264586A (en) * | 2014-09-05 | 2015-01-07 | 中国建筑第六工程局有限公司 | Water draining method for narrow estuary U-shaped bay bridge construction |
| CN104264586B (en) * | 2014-09-05 | 2016-02-03 | 中国建筑第六工程局有限公司 | The drainage and construction method of narrow estuary U-shaped bay bridge construction |
| CN104947697A (en) * | 2015-06-25 | 2015-09-30 | 中国水利水电第十二工程局有限公司 | Construction method for rapidly enclosing weir by utilizing Larsen steel sheet piles |
| CN105887701A (en) * | 2016-04-18 | 2016-08-24 | 武汉二航路桥特种工程有限责任公司 | Suspension bridge superstructure demolition and replacement installation method |
| CN112376420A (en) * | 2020-09-29 | 2021-02-19 | 福州市规划设计研究院 | Construction method for paving sidewalk on lake |
| CN113202058A (en) * | 2021-05-17 | 2021-08-03 | 中国人民解放军陆军工程大学 | Quick levee breach plugging device that landing stage and steel sheet pile combined together |
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Application publication date: 20120530 |